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Stable high temperature nickel-based superalloy and single crystal articles utilizing the superalloy
Stable high temperature nickel-based superalloy and single crystal articles utilizing the superalloy
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机译:稳定的高温镍基高温合金和利用该高温合金的单晶制品
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摘要
An article includes a substantially single crystal piece (40) having a composition consisting essentially of, in weight percent, from 0.4 to 6.5 percent ruthenium, from 3 to 8 percent rhenium, from 5.8 to 10.7 percent tantalum, from 4.25 to 17.0 percent cobalt, from 0.1 to 2.0 percent hafnium, from 0.02 to 0.4 percent carbon, from 0.001 to 0.005 percent boron, from 0 to 0.02 percent yttrium, from 1 to 4 percent molybdenum, from 1.25 to 10 percent chromium, from 0.5 to 2.0 percent niobium, from 0.05 to 0.5 percent zirconium, from 5.0 to 6.6 percent aluminum, from 0 to 2.0 percent titanium, from 3.0 to 7.5 percent tungsten, and from 0.1 to 6 percent of platinum, iridium, rhodium, and palladium, and combinations thereof, balance nickel and incidental impurities.
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